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Post by Admin on Sept 19, 2019 16:49:46 GMT
Really appreciate the support. I now have another question. As the charging port for both solar PV and 12V auto are the same, does that mean that Lycan can accept a DC voltage at that port up to the maximum specified solar VOC (I think 50V)? I know there is an MPPT controller that manages the solar PV input. Is there logic that actually switches the MPPT in or out depending on whether the input is above expected cigarette lighter plug voltage (12 - 14V)? In other words, can I safely charge Lycan with a DC input other than the cigarette lighter adapter as long as the voltage is below 50V (if not 50, then what)? There will be voltage thresholds that influences the MPPT logic. CIG charging 10.8 ~ 14.4 VDC PV charging 14.4 ~ 72V VDC |
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Post by mediadogg on Sept 19, 2019 18:42:31 GMT
Really appreciate the support. I now have another question. As the charging port for both solar PV and 12V auto are the same, does that mean that Lycan can accept a DC voltage at that port up to the maximum specified solar VOC (I think 50V)? I know there is an MPPT controller that manages the solar PV input. Is there logic that actually switches the MPPT in or out depending on whether the input is above expected cigarette lighter plug voltage (12 - 14V)? In other words, can I safely charge Lycan with a DC input other than the cigarette lighter adapter as long as the voltage is below 50V (if not 50, then what)? There will be voltage thresholds that influences the MPPT logic. CIG charging 10.8 ~ 14.4 VDC PV charging 14.4 ~ 72V VDC Wonderful info. I can control that. It will be very useful to be able to add some juice from another source, known to be under 14V, sometimes. Lycan Rocks!!!! |
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Post by mediadogg on Sept 27, 2019 21:57:28 GMT
I am currently using 3 of these (SKU: RNG-100D-SS-BC) to charge my Lycan, which leads to 63 Voc. Maximum wattage I have seen where the panels are located is less than 250W. I was thinking of adding a fourth panel to get closer to the 300W maximum charging rate for the Lycan. But that would bring the Voc above 72V.
So my plan is to run 4 x (SKU: RNG-100D-SS-BC) as 2 x parallel of (2 x series), for a Voc of 42V and current between 10 and 12A. In best case, I might generate a tad over 300W, but the Lycan will simply ignore that excess for that short period of time.
Admin, do you agree that my plan is safe to use with Lycan?
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Post by mediadogg on Sept 29, 2019 19:46:49 GMT
I am currently using 3 of these (SKU: RNG-100D-SS-BC) to charge my Lycan, which leads to 63 Voc. Maximum wattage I have seen where the panels are located is less than 250W. I was thinking of adding a fourth panel to get closer to the 300W maximum charging rate for the Lycan. But that would bring the Voc above 72V. So my plan is to run 4 x (SKU: RNG-100D-SS-BC) as 2 x parallel of (2 x series), for a Voc of 42V and current between 10 and 12A. In best case, I might generate a tad over 300W, but the Lycan will simply ignore that excess for that short period of time. Admin, do you agree that my plan is safe to use with Lycan? Adding another question over the weekend. Hopefully, I will hear back on both items later in the week: Second question: Is it possible to connect the RJ45 connected cable to an ethernet switch? In other words, are the protocols and signal levels compatible, so that no equipment damage occurs? I am thinking about mounting the internal battery externally, and designing a soft-switch that would smoothly and silently switch between the two batteries. I understand the XT-90 connection, but I would need more information on the RJ45 connection. I would not have to consider this if the Renogy technical team would please respond to my long-standing request to describe the circuitry of the battery A-B switch, which already does exactly what I need it to do - albeit manually. I want to be able to do that - electronically. |
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Post by mediadogg on Oct 6, 2019 20:55:42 GMT
Oh no ... guess the honeymoon is over.
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Post by tattoo on Oct 6, 2019 22:45:57 GMT
Oh no ... guess the honeymoon is over. It happens to the best of us............ LOL |
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Post by Admin on Oct 7, 2019 22:11:06 GMT
I am currently using 3 of these (SKU: RNG-100D-SS-BC) to charge my Lycan, which leads to 63 Voc. Maximum wattage I have seen where the panels are located is less than 250W. I was thinking of adding a fourth panel to get closer to the 300W maximum charging rate for the Lycan. But that would bring the Voc above 72V. So my plan is to run 4 x (SKU: RNG-100D-SS-BC) as 2 x parallel of (2 x series), for a Voc of 42V and current between 10 and 12A. In best case, I might generate a tad over 300W, but the Lycan will simply ignore that excess for that short period of time. Admin, do you agree that my plan is safe to use with Lycan? I apologize for the delayed response. If you haven't done so already, the regulating amperage will actually be 6A. While the input is 12A charging, this is multiple device charging. So 6A will be the max that you get out of this mppt transform. |
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Post by mediadogg on Oct 8, 2019 1:59:59 GMT
I am currently using 3 of these (SKU: RNG-100D-SS-BC) to charge my Lycan, which leads to 63 Voc. Maximum wattage I have seen where the panels are located is less than 250W. I was thinking of adding a fourth panel to get closer to the 300W maximum charging rate for the Lycan. But that would bring the Voc above 72V. So my plan is to run 4 x (SKU: RNG-100D-SS-BC) as 2 x parallel of (2 x series), for a Voc of 42V and current between 10 and 12A. In best case, I might generate a tad over 300W, but the Lycan will simply ignore that excess for that short period of time. Admin, do you agree that my plan is safe to use with Lycan? I apologize for the delayed response. If you haven't done so already, the regulating amperage will actually be 6A. While the input is 12A charging, this is multiple device charging. So 6A will be the max that you get out of this mppt transform. Thank you. That explains things. Any response on the second question? Quoting myself: "Second question: Is it possible to connect the RJ45 connected cable to an ethernet switch? In other words, are the protocols and signal levels compatible, so that no equipment damage occurs? I am thinking about mounting the internal battery externally, and designing a soft-switch that would smoothly and silently switch between the two batteries. I understand the XT-90 connection, but I would need more information on the RJ45 connection. I would not have to consider this if the Renogy technical team would please respond to my long-standing request to describe the circuitry of the battery A-B switch, which already does exactly what I need it to do - albeit manually. I want to be able to do that - electronically." |
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Post by Admin on Oct 10, 2019 16:36:35 GMT
I apologize for the delayed response. If you haven't done so already, the regulating amperage will actually be 6A. While the input is 12A charging, this is multiple device charging. So 6A will be the max that you get out of this mppt transform. Thank you. That explains things. Any response on the second question? Quoting myself: "Second question: Is it possible to connect the RJ45 connected cable to an ethernet switch? In other words, are the protocols and signal levels compatible, so that no equipment damage occurs? I am thinking about mounting the internal battery externally, and designing a soft-switch that would smoothly and silently switch between the two batteries. I understand the XT-90 connection, but I would need more information on the RJ45 connection. I would not have to consider this if the Renogy technical team would please respond to my long-standing request to describe the circuitry of the battery A-B switch, which already does exactly what I need it to do - albeit manually. I want to be able to do that - electronically." Thank you for contacting Renogy, I'm not sure which standing order or ticket you're referring to but if you have a ticket number I would be happy to look at it. What information do you seek about the RJ45? |
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Post by mediadogg on Oct 10, 2019 22:26:20 GMT
Thank you. That explains things. Any response on the second question? Quoting myself: "Second question: Is it possible to connect the RJ45 connected cable to an ethernet switch? In other words, are the protocols and signal levels compatible, so that no equipment damage occurs? I am thinking about mounting the internal battery externally, and designing a soft-switch that would smoothly and silently switch between the two batteries. I understand the XT-90 connection, but I would need more information on the RJ45 connection. I would not have to consider this if the Renogy technical team would please respond to my long-standing request to describe the circuitry of the battery A-B switch, which already does exactly what I need it to do - albeit manually. I want to be able to do that - electronically." Thank you for contacting Renogy, I'm not sure which standing order or ticket you're referring to but if you have a ticket number I would be happy to look at it. What information do you seek about the RJ45? Could we start with the very question you quoted? Ok, for the third time: "Second question: Is it possible to connect the RJ45 connected cable to an ethernet switch? In other words, are the protocols and signal levels compatible, so that no equipment damage occurs? I am thinking about mounting the internal battery externally, and designing a soft-switch that would smoothly and silently switch between the two batteries. I understand the XT-90 connection, but I would need more information on the RJ45 connection. I would not have to consider this if the Renogy technical team would please respond to my long-standing request to describe the circuitry of the battery A-B switch, which already does exactly what I need it to do - albeit manually. I want to be able to do that - electronically." |
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Post by mediadogg on Oct 15, 2019 16:35:35 GMT
Looks like I'm going to have to hook up my scope and examine the RJ45 signals myself. It is clear that Renogy has no intention of helping me understand this. I wish they would just be up front and say "it's proprietary" or "we don't want to tell you" rather than stalling and pretending to not notice the questions that I have repeatedly asked.
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Post by Admin on Oct 15, 2019 17:43:31 GMT
Thank you for contacting Renogy, I'm not sure which standing order or ticket you're referring to but if you have a ticket number I would be happy to look at it. What information do you seek about the RJ45? Could we start with the very question you quoted? Ok, for the third time: "Second question: Is it possible to connect the RJ45 connected cable to an ethernet switch? In other words, are the protocols and signal levels compatible, so that no equipment damage occurs? I am thinking about mounting the internal battery externally, and designing a soft-switch that would smoothly and silently switch between the two batteries. I understand the XT-90 connection, but I would need more information on the RJ45 connection. I would not have to consider this if the Renogy technical team would please respond to my long-standing request to describe the circuitry of the battery A-B switch, which already does exactly what I need it to do - albeit manually. I want to be able to do that - electronically." We do not have this information available. We can not provide recommendations for this type of setup. |
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Post by mediadogg on Oct 16, 2019 18:37:33 GMT
Ok, thanks. Now it is clear.
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Post by mediadogg on Oct 18, 2019 17:19:04 GMT
Could we start with the very question you quoted? Ok, for the third time: "Second question: Is it possible to connect the RJ45 connected cable to an ethernet switch? In other words, are the protocols and signal levels compatible, so that no equipment damage occurs? I am thinking about mounting the internal battery externally, and designing a soft-switch that would smoothly and silently switch between the two batteries. I understand the XT-90 connection, but I would need more information on the RJ45 connection. I would not have to consider this if the Renogy technical team would please respond to my long-standing request to describe the circuitry of the battery A-B switch, which already does exactly what I need it to do - albeit manually. I want to be able to do that - electronically." We do not have this information available. We can not provide recommendations for this type of setup. Hey now! Maybe it was not clear that what I wanted to do is done almost exactly by a product that you just released:  What I wonder is if the Lycan battery BMS firmware can be upgraded to support the parallel operation shown for the smart battery. In that case, I would take my internal one out of the box and hook it up to the external one just like you have done in the picture. Just need a parallel XT-90 cable. And the activation switch would not be needed. Instead the Lycan communication cable would plug in there. |
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Post by mediadogg on Oct 18, 2019 18:45:42 GMT
Oh I see now the new smart battery has two RJ-45 terminals. So it wouldn't be exactly the same.
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